<template>
  <div class="login_container">
    <div class="login_box">
      <!-- 头像区 -->
      <div class="avatar_box">
        <img alt="avatar" height="30" src="../assets/img/storytelling.png" width="30"/>
      </div>
      <!-- 登录表单 -->
      <div>
        <el-form
            ref="loginFormRef"
            :model="loginForm"
            :rules="loginFormRules"
            class="login_form"
            label-width="60px">
          <el-form-item label="账号" prop="name">
            <el-input v-model="loginForm.name" prefix-icon="iconfont icon-user"></el-input>
          </el-form-item>
          <el-form-item label="密码" prop="passWord">
            <el-input v-model="loginForm.passWord"
                      prefix-icon="iconfont icon-3702mima"
                      show-password
                      type="password"
            ></el-input>
          </el-form-item>
          <el-form-item class="btns">
            <el-button style="margin-right: 20px; width: 200px; position: relative; left: -20px;"
                       type="primary"
                       @click="login"><i
                class="el-icon-user-solid" style="margin-right: 20px;"/>登录
            </el-button>
          </el-form-item>
        </el-form>
      </div>
    </div>
  </div>
</template>

<script>
import common from "../api/common";
import {setToken, setUser} from "../api/session";
import {login} from "../api/user";

export default {
  data() {
    return {
      loginForm: {
        name: 'admin',
        passWord: '123'
      },
      // 表单验证
      loginFormRules: {
        name: [
          {pattern: /^\w+$/, message: '请勿输入非法字符', trigger: "blur"},
          {required: true, message: '请输入用户名', trigger: 'blur'},
          {min: 2, max: 10, message: '长度在 2 到 10 个字符', trigger: 'blur'}
        ],
        passWord: [
          {pattern: /^\w+$/, message: '请勿输入非法字符', trigger: "blur"},
          {required: true, message: '请输入用户密码', trigger: 'blur'},
          {min: 2, max: 18, message: '长度在 2 到 18 个字符', trigger: 'blur'}
        ]
      }
    }
  },
  methods: {
    resetLoginForm() {
      this.$refs.loginFormRef.resetFields()
    },
    login() {
      this.$refs.loginFormRef.validate(async valid => {
        if (!valid) return false
        login(this.loginForm).then(rs => {
          if (rs.code === 200) {
            //没想到我是以token判断页面进入的
            setUser(rs.message)
            setToken(rs.code);
            // queryLoginUser().then(user => {
            //   setUser(user);
            // });
            common.afterUpdateActions(this, true, '登录', '/', true);
          } else {
            this.$message.error(rs.message);
          }
        });
      })
    }
  }
}
</script>

<style scoped>
/* // lang="less" 支持less格式
// scoped vue的指令，只在当前组件生效 */
.login_container {
  background-color: #2b4b6b;
  height: 100%;
}

.login_box {
  width: 450px;
  height: 360px;
  background-color: #fff;
  border-radius: 3px;
  position: absolute;
  left: 50%;
  top: 50%;
  -webkit-transform: translate(-50%, -50%);
}

.login_box .avatar_box {
  width: 130px;
  height: 130px;
  border: 1px solid #eee;
  border-radius: 50%;
  padding: 10px;
  box-shadow: 0 0 10px #ddd;
  position: absolute;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: #fff;
}


.avatar_box > img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background-color: #eee;
}

.login_form {
  position: absolute;
  bottom: 60px;
  width: 100%;
  padding: 0 20px;
  box-sizing: border-box;
}

.btns {
  display: flex;
  justify-content: center;
}
</style>
